Transcript The flowers and grass have gone!

Unit 2 Saving the Earth
Topic 1 Pollution has caused
too many problems.
Section A
重庆市北碚区夏坝中学
瞿兴俐
A: Where have you been/traveled?
B: I have been/traveled to ...
Have you ever had a picnic?
Kangkang, Jane, Maria and Michael are planning
a picnic for Sunday.
They will go to
the West Hill.
butterfly
Is the West Hill beautiful?
bee
What can you see there?
We can see bees and butterflies dancing.
a place with
beautiful
flowers
many hills
green trees
Oh, my goodness. What a mess!
P27 1a mp3
Is it beautiful now?
What has happened there?
Look! There are several chemical factories
pouring waste water into the stream.
The flowers and grass have gone!
= have disappeared.
adj.
waste water
waste paper
waste
Waste water. 浪费水。
v.
Don’t waste paper. 不要浪费
纸。
There are several chemical
factories pouring waste water
into the stream.有几家化工厂正在往小溪里排
放废水。
There be…doing sth…
……有……在做某事
e.g. There are
some people waiting
for the bus at the
bus stop.
倒出；倾泻
pour… into… 把……倒入……
e.g. Pour red wine into the glass.
1b Listen to 1a and mark the words with P
(Past) or N (Now).
P beautiful ____
P butterflies ____
N dirty
____
P grass
____
N terrible
____
N factory
____
P bees
____
P fresh
____
P clean
____
N
____waste
water
1a Listen, look and say.
1c Read 1a and complete the sentences in
the table. Then retell 1a to your partner.
Two years ago
Now
beautiful place 1. The
flowers and grass
1. It was a _______________.
___________________
2. There were
have gone.
lots of flowers and grass
_______________________.
so dirty
2. The water is ________and
terrible
3. The air was
smells ___________.
fresh
and the water was clean 3. There are several
_______________________
and you could see
________________
chemical
factories pouring
bees
and butterflies dancing _______________
_______________________.
waste water
into the
stream.
Everything
4. _____________has
changed.
2 Work in pairs. Look at the pictures and make up conversations similar
to the example with your partner.
Example:
A: There were lots of flowers and grass
when I visited the village last year.
B: But now the flowers and grass have
gone.
village/flowers
and grass
A: What has happened here?
villagers/destroy
B: The villagers have destroyed them.
hill/ trees
farmers/cut
down
lake/fish
factory/
pollute
4 Work in groups and talk about pollution in a
place you are familiar with. The following
sentences may help you.
…ago, it was… Now, … have/ has gone.
What has happened? Everything has
changed. Oh, my goodness!
3 A. Listen to the sentences and number the
pictures.
6
4
1
2
3
5
B. Listen again and complete the sentences.
have _____
cut down
1. People _____
_____ too many trees, so
I don’t have enough leaves to eat.
have _____.
gone
2. I live in trees but now many trees _____
3. I like leaves and grass, but now they have
_____
____________.
disappeared
have been
4. I _____
_____ hungry for months because of
less bamboo.
don’t _____
live happily
5. Human polluted the sea, so I _____
_____.
was clean
6. The water _____
_____ many years ago. But it
_____
_____ for me to live in now.
is _____
too dirty
单项选择
( C ) 1. Look! There are some boys ________ on the playground.
A. play football
B. are playing football
C. playing football
D. plays football
( D ) 2. — I’m sorry I can’t go shopping with you. I am ill.
— ________
A. What a mess!
B. What a shame!
C. What a pity!
D. B and C
( A ) 3. — Don’t ________ water. We must save every drop of it.
— Sorry, I won’t do it again.
A. waste
B. throw
C. play
D. leave
用所给动词的适当形式填空。
1. When I entered the room, I saw Maria ________
reading (read) a
Chinese book.
have gone
2. What a shame! The flowers and trees in the park _________
(go).
3. Everything _____________
has changed (change) in the past few years.
4. Pandas don’t have enough bamboos ________
to eat (eat) now
because of the pollution.
5. — Where have they been?
have been (be) to the Great Wall. They _______
had
— They __________
(have) a good time there the day before yesterday.
1. Some words:
bee, butterfly, mess, shame, several, pour, waste,
destroy, pollute, goodness
2. Some phrases:
see sb. doing sth.
pour…into..
3. Some sentences:
There are…doing…
1. Express exclamation:
What a mess! What a shame! Oh, my goodness!
2. Know the differences between Simple Past
and Present perfect.
It was a beautiful place.
Everything has changed.
Homework
1. Read 1a.
2. Write a passage according to Part 4.
3. Finish Section A in your workbook.
4. Preview Section B.
Thank you.